1. Effect of testosterone on the behaviour of the domestic chick;Andrew;J. Comp. Physiol. Psychol.,1963
2. Vocalization in chicks and the concept of stimulus contrast;Andrew;Anim. Behav.,1964
3. Precocious adult behaviour in the young chick;Andrew;Anim. Behav.,1966
4. The effect of testosterone on avian vocalizations;Andrew,1969
5. The information potentially available in animal displays;Andrew,1972